Question

the LCM of two number is 20 times of their HCF and (LCM + HCF) = 2520. if one number is 480, what will be the triple of another number​

Answer 1

Answer:

The LCM of two numbers is 20 times their HCF. The sum of HCF ans LCM is 2520. If one of the number 480, the other number is = ?

A. 400

B. 480

C. 520

D. 600

Answer: Option D

Solution(By Examveda Team)

Let HCF = xLCM = 20xsum of HCF + LCM = 2520⇒ x + 20x = 2520⇒21x=2520⇒x=120HCF = 120LCM = 120×20 = 2400One number = 480Let another number = yy× 480=120×2400y=120×2400480=600